How to use this calculator
- Choose the shapeSelect matching geometry.
- Enter dimensionsAdd values and units.
- Add assumptionsSet allowance and optional density.
- View the estimateCheck results and assumptions.
Gravel & rock
Crushed Rock Calculator
Estimate crushed rock volume for paths, bases and general groundworks. Use metric or imperial measurements and see every active assumption.
Transparent calculationsAuditable results
Metric & imperialCompatible units
Private by designNo saved projects
Always freeNo sign-up
Your measurements
Enter the values from your project.
Your estimate
Calculated quantities for your project.
Enter your measurements and calculate to see the result.
Notes & assumptions
- Use supplier density for purchasing decisions.
- Estimated weight depends on the density shown.
- No density preset is applied.
- Confirm significant orders with the supplier.
What this calculator provides
Estimate crushed rock volume for paths, bases and general groundworks. Calculated volume is primary. Weight, packages and cost appear only when you provide the necessary inputs.
Use the result confidently
Measure the actual area, use the intended finished depth and review every assumption. Ground, compaction and supplier tolerances can change purchasing quantities.
Advertising disabled